modiloader | b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d

General

Target

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe
Size

888KB
MD5

cf659feea0c1c9e0a1705e076b831f48
SHA1

4e79ae9003d92a10d09fdb231512ca914c60a7c7
SHA256

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d
SHA512

6ebf5d751d94772def751a6085e233e8cadb0c4c29193be247d0b11c977370ae82a2d5190bae463b0de60cbe8bf0c2c7a4b0dd84f9c2fd142e7ededc42afdfc4
SSDEEP

12288:oXxu5oy0XhL9ljnp9zIO6S33Ys1fCjPfeCMVAgfMCf3e9:ohAcXhL9lV9cHSY2ZCMVAgfM

Score

10^/10

modiloader remcos remotehost persistence rat trojan

Malware Config

Extracted

Family

remcos

Botnet

RemoteHost

C2

127.0.0.1:47212

officerem.duckdns.org:47212

Attributes

audio_folder
MicRecords
audio_record_time
5
connect_delay
0
connect_interval
1
copy_file
remcos.exe
copy_folder
Remcos
delete_file
false
hide_file
false
hide_keylog_file
false
install_flag
false
keylog_crypt
false
keylog_file
logs.dat
keylog_flag
false
keylog_folder
remcos
mouse_option
false
mutex
Rmc-I8N3XG
screenshot_crypt
false
screenshot_flag
false
screenshot_folder
Screenshots
screenshot_path
%AppData%
screenshot_time
10
take_screenshot_option
false
take_screenshot_time
5

Signatures

ModiLoader, DBatLoader
ModiLoader is a Delphi loader that misuses cloud services to download other malicious families.
trojan modiloader
Remcos
Remcos is a closed-source remote control and surveillance software.
rat remcos

Detects Windows exceutables bypassing UAC using CMSTP COM interfaces. MITRE (T1218.003) 16 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1996-84-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-86-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-87-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-88-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-89-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-90-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-91-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-92-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-93-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-96-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-100-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-101-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-108-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-116-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-117-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM
behavioral1/memory/1996-124-0x0000000000580000-0x0000000001580000-memory.dmp	INDICATOR_SUSPICIOUS_EXE_UACBypass_CMSTPCOM

ModiLoader Second Stage 1 IoCs

Processes:

resource	yara_rule
behavioral1/memory/1444-2-0x0000000003140000-0x0000000004140000-memory.dmp	modiloader_stage2

Executes dropped EXE 2 IoCs

Processes:

3219816.exe3219816.exe

pid process

2388 3219816.exe
2588 3219816.exe

pid	process
2388	3219816.exe
2588	3219816.exe

Adds Run key to start application 2 TTPs 1 IoCs

persistence

Registry Run Keys / Startup Folder

T1547.001

Modify Registry

T1112

Processes:

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe

description	ioc	process
Set value (str)	\REGISTRY\USER\S-1-5-21-1658372521-4246568289-2509113762-1000\Software\Microsoft\Windows\CurrentVersion\Run\Hmbaewme = "C:\\Users\\Public\\Hmbaewme.url"	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe

Enumerates physical storage devices 1 TTPs
Attempts to interact with connected storage/optical drive(s).

System Information Discovery
T1082
Script User-Agent 1 IoCs
Uses user-agent string associated with script host/environment.

Processes:

description flow ioc

HTTP User-Agent header 4 Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)
Suspicious use of SetWindowsHookEx 1 IoCs

Processes:

SndVol.exe

pid process

1996 SndVol.exe

description	flow	ioc
HTTP User-Agent header	4	Mozilla/4.0 (compatible; Win32; WinHttp.WinHttpRequest.5)

pid	process
1996	SndVol.exe

Suspicious use of WriteProcessMemory 21 IoCs

Processes:

b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe

description	pid	process	target process
PID 1444 wrote to memory of 2572	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2572	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2572	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2572	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2516	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2516	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2516	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2516	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2932	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2932	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2932	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2932	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	cmd.exe
PID 1444 wrote to memory of 2320	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	extrac32.exe
PID 1444 wrote to memory of 2320	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	extrac32.exe
PID 1444 wrote to memory of 2320	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	extrac32.exe
PID 1444 wrote to memory of 2320	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	extrac32.exe
PID 1444 wrote to memory of 1996	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	SndVol.exe
PID 1444 wrote to memory of 1996	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	SndVol.exe
PID 1444 wrote to memory of 1996	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	SndVol.exe
PID 1444 wrote to memory of 1996	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	SndVol.exe
PID 1444 wrote to memory of 1996	1444	b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe	SndVol.exe

C:\Users\Admin\AppData\Local\Temp\b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe
"C:\Users\Admin\AppData\Local\Temp\b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe"
1⤵
- Adds Run key to start application
- Suspicious use of WriteProcessMemory
PID:1444

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows "
2⤵
PID:2572

C:\Windows\SysWOW64\cmd.exe
cmd /c mkdir "\\?\C:\Windows \System32"
2⤵
PID:2516

C:\Windows\SysWOW64\cmd.exe
cmd /c "C:\Windows \System32\3219816.exe"
2⤵
PID:2932

C:\Windows \System32\3219816.exe
"C:\Windows \System32\3219816.exe"
3⤵
- Executes dropped EXE
PID:2388

C:\Windows \System32\3219816.exe
"C:\Windows \System32\3219816.exe"
3⤵
- Executes dropped EXE
PID:2588

C:\Windows\SysWOW64\extrac32.exe
C:\\Windows\\System32\\extrac32.exe /C /Y C:\Users\Admin\AppData\Local\Temp\b9c144592964694742c93d09a6db9194a58cfed85c9a81f00b5ae2d14ac5c87d.exe C:\\Users\\Public\\Libraries\\Hmbaewme.PIF
2⤵
PID:2320

C:\Windows\SysWOW64\SndVol.exe
C:\Windows\System32\SndVol.exe
2⤵
- Suspicious use of SetWindowsHookEx
PID:1996

Network

MITRE ATT&CK Enterprise v15

Reconnaissance

Resource Development

Initial Access

Execution

Persistence

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Privilege Escalation

Boot or Logon Autostart Execution

1

T1547

Registry Run Keys / Startup Folder

1

T1547.001

Defense Evasion

Modify Registry

1

T1112

Credential Access

Discovery

System Information Discovery

1

T1082

Lateral Movement

Collection

Command and Control

Exfiltration

Impact

Replay Monitor

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Downloads

C:\ProgramData\remcos\logs.dat

Filesize
144B

MD5
2501a4fb1300f002045a59a52a508e14

SHA1
4e7f0be891d2811e4c5b2e8226d685c92fe620b9

SHA256
ef4446b14794fa3467ce2d5f08117234a3088a100694adecf3ae3dc6f434e514

SHA512
872c9f882e1c5cb63178e5c994de791f511726e7b060a27c7d27e2a5de83ffb6c5ba1e6a49697969c28babf7ac526779110442580e96214484bf2014e968f386

Download Submit
C:\Users\Admin\AppData\LocalLow\Microsoft\CryptnetUrlCache\Content\94308059B57B3142E455B38A6EB92015

Filesize
67KB

MD5
753df6889fd7410a2e9fe333da83a429

SHA1
3c425f16e8267186061dd48ac1c77c122962456e

SHA256
b42dc237e44cbc9a43400e7d3f9cbd406dbdefd62bfe87328f8663897d69df78

SHA512
9d56f79410ad0cf852c74c3ef9454e7ae86e80bdd6ff67773994b48ccac71142bcf5c90635da6a056e1406e81e64674db9584928e867c55b77b59e2851cf6444

Download Submit
C:\Users\Admin\AppData\Local\Temp\TarA432.tmp

Filesize
175KB

MD5
dd73cead4b93366cf3465c8cd32e2796

SHA1
74546226dfe9ceb8184651e920d1dbfb432b314e

SHA256
a6752b7851b591550e4625b832a393aabcc428de18d83e8593cd540f7d7cae22

SHA512
ce1bdd595065c94fa528badf4a6a8777893807d6789267612755df818ba6ffe55e4df429710aea29526ee4aa8ef20e25f2f05341da53992157d21ae032c0fb63

Download Submit
C:\Windows \System32\3219816.exe

Filesize
128KB

MD5
231ce1e1d7d98b44371ffff407d68b59

SHA1
25510d0f6353dbf0c9f72fc880de7585e34b28ff

SHA256
30951db8bfc21640645aa9144cfeaa294bb7c6980ef236d28552b6f4f3f92a96

SHA512
520887b01bda96b7c4f91b9330a5c03a12f7c7f266d4359432e7bacc76b0eef377c05a4361f8fa80ad0b94b5865699d747a5d94a2d3dcdb85dabf5887bb6c612

Download Submit
memory/1444-0-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1444-1-0x0000000003140000-0x0000000004140000-memory.dmp

Filesize
16.0MB

Download
memory/1444-2-0x0000000003140000-0x0000000004140000-memory.dmp

Filesize
16.0MB

Download
memory/1444-4-0x0000000000220000-0x0000000000221000-memory.dmp

Filesize
4KB

Download
memory/1444-5-0x0000000000400000-0x00000000004E8000-memory.dmp

Filesize
928KB

Download
memory/1996-88-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-96-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-87-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-84-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-89-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-90-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-91-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-92-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-93-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-86-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-100-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-101-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-124-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-108-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-116-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/1996-117-0x0000000000580000-0x0000000001580000-memory.dmp

Filesize
16.0MB

Download
memory/2932-68-0x0000000000690000-0x0000000000691000-memory.dmp

Filesize
4KB

Download

Analysis

Sharing

General

Malware Config

Extracted

Signatures

Processes

Network

MITRE ATT&CK Enterprise v15

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Downloads